Introduction to SQL Indexes can usually be created for both primary and secondary keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to update data in a database? UPDATE MODIFY SAVE AS SAVE UPDATE MODIFY SAVE AS SAVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Projection operation. Rename operation. Join operation. Selection operation. Projection operation. Rename operation. Join operation. Selection operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard in a WHERE clause is useful when? An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. ONLY DISTINCT SINGLE UNIQUE ONLY DISTINCT SINGLE UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
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